public void CreateAudioEnvelopeWithFades()
{
StandardEffects.CreateAudioEnvelope(0.5, 1, 1, 5);
StandardEffects.CreateAudioEnvelope(0.2, 0, 1, 5);
StandardEffects.CreateAudioEnvelope(0.7, 1, 0, 5);
StandardEffects.CreateAudioEnvelope(0.15, 0, 0, 5);
}
public void FadeBetweenImages()
{
// generates a little slide-show, with audio track and fades between images.
string outputFile = "FadeBetweenImages.wmv";
using (ITimeline timeline = new DefaultTimeline())
{
IGroup group = timeline.AddVideoGroup(32, 160, 100);
ITrack videoTrack = group.AddTrack();
IClip clip1 = videoTrack.AddImage("image1.jpg", 0, 2); // play first image for a little while
IClip clip2 = videoTrack.AddImage("image2.jpg", 0, 2); // and the next
IClip clip3 = videoTrack.AddImage("image3.jpg", 0, 2); // and finally the last
IClip clip4 = videoTrack.AddImage("image4.jpg", 0, 2); // and finally the last
double halfDuration = 0.5;
// fade out and back in
group.AddTransition(clip2.Offset - halfDuration, halfDuration, StandardTransitions.CreateFade(), true);
group.AddTransition(clip2.Offset, halfDuration, StandardTransitions.CreateFade(), false);
// again
group.AddTransition(clip3.Offset - halfDuration, halfDuration, StandardTransitions.CreateFade(), true);
group.AddTransition(clip3.Offset, halfDuration, StandardTransitions.CreateFade(), false);
// and again
group.AddTransition(clip4.Offset - halfDuration, halfDuration, StandardTransitions.CreateFade(), true);
group.AddTransition(clip4.Offset, halfDuration, StandardTransitions.CreateFade(), false);
// add some audio
ITrack audioTrack = timeline.AddAudioGroup().AddTrack();
IClip audio =
audioTrack.AddAudio("testinput.wav", 0, videoTrack.Duration);
// create an audio envelope effect, this will:
// fade the audio from 0% to 100% in 1 second.
// play at full volume until 1 second before the end of the track
// fade back out to 0% volume
audioTrack.AddEffect(0, audio.Duration,
StandardEffects.CreateAudioEnvelope(1.0, 1.0, 1.0, audio.Duration));
// render our slideshow out to a windows media file
using (
IRenderer renderer =
new WindowsMediaRenderer(timeline, outputFile, WindowsMediaProfiles.HighQualityVideo))
{
renderer.Render();
}
}
}
/// <summary>
/// Adds the sound files in a random order
/// </summary>
/// <param name="tracks">The track container that will hold the new track</param>
/// <param name="soundFiles">The list of sound files to add</param>
/// <param name="duration"></param>
/// <returns>The new track</returns>
private ITrack AddBackgroundMusic(ITrackContainer tracks, IList <string> soundFiles, double duration)
{
var audioTrack = tracks.AddTrack();
if (soundFiles.Any())
{
var shuffled = shuffler.Shuffle(soundFiles);
foreach (var soundFile in shuffled)
{
audioTrack.AddAudio(soundFile, 0, duration);
}
audioTrack.AddEffect(0, audioTrack.Duration, StandardEffects.CreateAudioEnvelope(0.05));
}
return(audioTrack);
}
static void Main(string[] args)
{
string folderPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Pics");
using (ITimeline timeline = new DefaultTimeline(30))
{
double halfDuration = 1;
IGroup group = timeline.AddVideoGroup("video", 30, 32, 1920, 1080);
ITrack videoTrack = group.AddTrack();
List <string> filePaths = Directory.EnumerateFiles(folderPath, "*.jpg").ToList();
for (int i = 0; i < filePaths.Count; i++)
{
IClip clip = videoTrack.AddImage(filePaths[i], 0, 10);
if (i > 0)
{
group.AddTransition(clip.Offset - halfDuration, halfDuration, StandardTransitions.CreateFade(), true);
group.AddTransition(clip.Offset, halfDuration, StandardTransitions.CreateFade(), false);
}
}
string folderPath2 = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Audio");
string audioPath = Directory.EnumerateFiles(folderPath2, "*.wav").FirstOrDefault(x => x != null);
ITrack audioTrack = timeline.AddAudioGroup().AddTrack();
IClip audio = audioTrack.AddAudio(audioPath, 0, videoTrack.Duration);
audioTrack.AddEffect(0, audio.Duration, StandardEffects.CreateAudioEnvelope(1.0, 1.0, 1.0, audio.Duration));
using (var renderer = new WindowsMediaRenderer(timeline, "output.wmv", WindowsMediaProfiles.FullHD))
{
renderer.Render();
}
}
Console.WriteLine("Hello World!");
}
public void CreateAudioEnvelopeVolumeTooLow2()
{
StandardEffects.CreateAudioEnvelope(-1);
}
public void CreateAudioEnvelopeVolumeTooHigh2()
{
StandardEffects.CreateAudioEnvelope(2, 1, 1, 5);
}
public void CreateAudioEnvelope()
{
StandardEffects.CreateAudioEnvelope(0.5);
}
public void CreateAudioEnvelopeWithInvalidFadeDurations()
{
StandardEffects.CreateAudioEnvelope(0.5, 4, 4, 2);
}